Robot controller



FIG. 1 is a front, top, right perspective view of a robot controllershowing our new design according to an embodiment;

FIG. 2 is a rear, top, right perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings are for the purpose of illustratingunclaimed portions of the robot controller and form no part of theclaimed design.

CLAIM The ornamental design for a robot controller, as shown anddescribed.